Here are the links to various help files that will take you to the next level. Many of these files have been written for Wikipedia which is run on the same software that the Psychology Wiki uses (MediaWiki) so bear that in mind when reading. The full collection of all help files is available from these three sites:

How to avoid making some common mistakes . This is a somewhat terse article from wikia! But we are generally friendlier than this!!

Once you have a firm grasp of this stuff you are well on your way to the next level. I know it looks a bit daunting but most of it can be absorbed in a couple of sessions. The main thing is to keep editing and to use the reference material here to turn to as needed.